Greatest Common Factor of 765, 810, 639

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 765, 810, 639 by common division method
• Greatest Common Factor of 765, 810, 639 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 3 = 9

Factors of 765

List of positive integer factors of 765 that divides 765 without a remainder.

1,3,5,9,15,17,45,51,85,153,255,765

Factors of 810

List of positive integer factors of 810 that divides 810 without a remainder.

1,2,3,5,6,9,10,15,18,27,30,45,54,81,90,135,162,270,405,810

Factors of 639

List of positive integer factors of 639 that divides 639 without a remainder.

1,3,9,71,213,639

Greatest Common Factor

We found the factors 765,810,639 . The biggest common factor number is the GCF number.
So the greatest common factor 765,810,639 is 9.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 973, 831, 455
• GCF of 959, 691, 694
• GCF of 802, 932, 132
• GCF of 648, 126, 273
• GCF of 196, 555, 799

1. What is the GCF of 765, 810, 639?

Answer: GCF of 765, 810, 639 is 9.

2. How to Find the GCF of 765, 810, 639

Answer: Greatest Common Factor(GCF) of 765, 810, 639 = 9

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(765, 810, 639) = 9.